<template>
  <div class="top-right-btn" :style="style">
    <el-row>
      <el-tooltip class="item" effect="dark" :content="showSearch ? '隐藏搜索' : '显示搜索'" placement="top" v-if="search">
        <el-button circle icon="Search" @click="toggleSearch()" />
      </el-tooltip>
      <el-tooltip class="item" effect="dark" content="刷新" placement="top">
        <el-button circle icon="Refresh" @click="refresh()" />
      </el-tooltip>
      <el-tooltip class="item" effect="dark" content="显隐列" placement="top" v-if="columns">
        <el-button circle icon="Menu" @click="showColumn()" />
      </el-tooltip>
    </el-row>
    <el-dialog :title="title" v-model="open" append-to-body>
      <el-transfer
        :titles="['显示', '隐藏']"
        v-model="value"
        :data="columns"
        @change="dataChange"
      ></el-transfer>
    </el-dialog>
  </div>
</template>

<script setup>
const props = defineProps({
  showSearch: {
    type: Boolean,
    default: true,
  },
  columns: {
    type: Array,
  },
  search: {
    type: Boolean,
    default: true,
  },
  gutter: {
    type: Number,
    default: 10,
  },
})

const emits = defineEmits(['update:showSearch', 'queryTable']);

// 显隐数据
const value = ref([]);
// 弹出层标题
const title = ref("显示/隐藏");
// 是否显示弹出层
const open = ref(false);

const style = computed(() => {
  const ret = {};
  if (props.gutter) {
    ret.marginRight = `${props.gutter / 2}px`;
  }
  return ret;
});

// 搜索
function toggleSearch() {
  emits("update:showSearch", !props.showSearch);
}

// 刷新
function refresh() {
  emits("queryTable");
}

// 右侧列表元素变化
function dataChange(data) {
  for (let item in props.columns) {
    const key = props.columns[item].key;
    props.columns[item].visible = !data.includes(key);
  }
}

// 打开显隐列dialog
function showColumn() {
  open.value = true;
}

// 显隐列初始默认隐藏列
for (let item in props.columns) {
  if (props.columns[item].visible === false) {
    value.value.push(parseInt(item));
  }
}
</script>

<style lang='scss' scoped>
// 工具栏容器样式
.top-right-btn {
  display: flex;
  align-items: center;
  
  .el-row {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  // 工具栏按钮统一样式
  .el-button {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid #e4e7ed;
    background: white;
    color: #606266;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    
    &:hover {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      border-color: transparent;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    }
    
    &:active {
      transform: translateY(0);
    }
    
    // 搜索按钮特殊样式
    &:first-child {
      position: relative;
      
      &::after {
        content: '';
        position: absolute;
        top: -2px;
        right: -2px;
        width: 8px;
        height: 8px;
        background: #67c23a;
        border-radius: 50%;
        opacity: 0;
        transition: opacity 0.3s ease;
      }
      
      &:hover::after {
        opacity: 1;
      }
    }
    
    .el-icon {
      font-size: 16px;
    }
  }
}

// 传输组件样式
:deep(.el-transfer__button) {
  border-radius: 50%;
  display: block;
  margin-left: 0px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: white;
  transition: all 0.3s ease;
  
  &:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
  }
}

:deep(.el-transfer__button:first-child) {
  margin-bottom: 10px;
}

.my-el-transfer {
  text-align: center;
}

// 对话框样式
:deep(.el-dialog) {
  border-radius: 12px;
  overflow: hidden;
  
  .el-dialog__header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    
    .el-dialog__title {
      color: white;
      font-weight: 600;
    }
    
    .el-dialog__headerbtn {
      .el-dialog__close {
        color: white;
        font-size: 18px;
        
        &:hover {
          color: #f0f0f0;
        }
      }
    }
  }
  
  .el-dialog__body {
    padding: 20px;
  }
}

// 响应式设计
@media (max-width: 768px) {
  .top-right-btn {
    .el-button {
      width: 32px;
      height: 32px;
      
      .el-icon {
        font-size: 14px;
      }
    }
  }
}
</style>